Species of Thailand
Puff-faced mud snake
Homalopsis buccata, Carolus Linnaeus, 1758
(In Thai: งูหัวกะโหลก, ngu hua galog)
Puff-faced Water Snake or Masked Water Snake (Homalopsis buccata) is a species of snake found in Asia.
Description
Inter nasals smaller than prefrontals; frontal often broken up into small shields, a little broader or sometimes narrower than the supraocular; parietals short; loreal present, sometimes divided; one or two pre- and two postoculars; one to three suboculars may be present; temporals small; ten to twelve upper labials, fifth or sixth entering the eye or narrowly separated from it; two or three pair of chin-shields, inner in contact with the three anterior lower labials. Scales in 37–47 rows; ventrals 158–176; anal divided; subcaudals 70–106.
Dark brown above, with narrow, pale brown, black-edged transverse bands, in young specimens yellow; head pale with a triangular or V-shaped dark marking on the snout, a A-shaped spot on the occiput, and a dark band on each side passing through the eye and extending to before the eye. Lower surface white or yellowish, with dark brown spots along each side; tail with brown spots. Length of head and body 820 mm.; tail 230 mm. Eats fish and frogs.
Distribution
- Bangladesh; Myanmar, Cambodia; Thailand; Vietnam;
- Indonesia (Bangka, Belitung, Borneo, Java, Kalimantan, Riau Archipelago, Sulawesi, Sumatra);
- Laos; W Malaysia (Malaya); Singapore;
- NE India; Nepal; Pulau Bangka
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Scientific classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Suborder
- Serpentes
- Family
- Colubridae
- Genus
- Homalopsis
- Species
- Homalopsis buccata
Common names
- German: Boa-Wassertrugnatter
- English:
- Puff-faced mud snake
- Linne’s water snake
- Masked water snake
- Puff-faced water snake
- Thai:
- งูหัวกะโหลก, ngu hua galog
- งูเหลือมอ้อ, ngu leuam oor
Conservation status

Least Concern (IUCN3.1)
Photos
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Range Map

- Betong District, Yala
- Khok Pho District, Pattani
- Mueang Narathiwat District, Narathiwat
- Na Mom District, Songkhla
- Su-ngai Kolok District, Narathiwat
- Tak Bai District, Narathiwat